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Flowserve FlowTop V726 Disassembly And Reassembly Instructions
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Flowserve FlowTop V726 Disassembly And Reassembly Instructions

Flowserve FlowTop V726 Disassembly And Reassembly Instructions

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Disassembly / Reassembly Instructions
FlowTop
V726, V738, V740

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Summary of Contents for Flowserve FlowTop V726

  • Page 1 All manuals and user guides at all-guides.com Disassembly / Reassembly Instructions FlowTop V726, V738, V740...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Contents Page 1. Purpose . Use 3. Description of the Procedure 4. Disassambling the Valve 3 - 4 5. Subassembly - Body 5 - 8 6. Subassembly - Trim 30 - 3 7. Subassembly - Bonnet 34 - 59 8. Subassembly - Packing 61 - 6 9. Technical Tables - Tightening Moments 64 - 65 10. Special Tools CAUTI ON ! The Control Valve must only be disassembled and reassembled by qualified staff.

  • Page 3: Purpose

    All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop 1. Purpose These instructions give guidelines on valve repair. 2. Use Type: FlowTop Valve Type: V726 V738 V740 3. Description of the Procedure CAU T I O N ! Only remove the Control Valve from the pipe in a depressurised and cooled / heated state ! 3.1 Disconnect air supply from the assembled accessories or actuator 3. Disassembling any accessories assembled...

  • Page 4: Disassambling The Valve

    All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop 4. Disassembling the valve 4.1 Fix the valve on the disassembly table ! 4.2 Identify the valve using the rating plate: A rating plate is fi tted on every control valve for identifi cation. In principle there are two diff erent rating plates, their information content is however identical.
  • Page 5 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Body Type Data Field 2 Data Field 3 Page V7xx DxVNA Three Flange 7 - 9 Four Flange V7xx VxVNA 11 - 15 V7xx WxVNA MOTP2LG Mixing 17 - 1 V7xx WxVNA VOTP2LG 3 - 8 Distributing...
  • Page 6 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop...
  • Page 7 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Th r e e F l a ng e Va lve SPM - Code : V7xx DxVNA Di s as s em b ly S tep 01 • Unscrew hexagon nuts (1.4) R ea s s em bly S tep 01...
  • Page 8 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 02 • Unscrew hexagon nuts (3.6) • Remove washer (3.8) and gland fl ange (3.4) R ea s s em bly S tep 02 not app lica ble Arranging the packing unit see S tep 0 7 Di s as s em b ly...
  • Page 9 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 04 • Insert Special Tool in the body (change seat - tool) and remove using a (Ensure that the pin clicks in place!) suitable tool R ea s s em bly S tep 04...
  • Page 10 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop...
  • Page 11 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Fo ur Fl a n g e Va lve SPM - Code : V7xx VxVNA Di s as s em b ly S tep 01 • Unsrcew hexagon nuts (1.4) R ea s s em bly S tep 01 •...
  • Page 12 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 02 • Unscrew hexagon nuts (3.6) • Remove washer (3.8) and gland fl ange (3.4) R ea s s em bly S tep 02 not app lica ble S te p 07 Reassembling the packing unit see...
  • Page 13 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 03 • Twist Special Tool on the stem (Ring-nut) and put in place slowly CAU TIO N ! Ensure it hangs vertically ! •...
  • Page 14 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 04 • Insert Special Tool in the body (change seat - tool) and remove using a (Ensure that the pin clicks in place !) suitable tool •...
  • Page 15 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 05 • Turn body • Unscrew hexagon nuts (1.4) • Remove cover (4.1) • Remove fl at gasket (1.2) CAUT IO N ! Remove remains of fl...
  • Page 16 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop...
  • Page 17 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop M ix i n g Va lve SPM - Code : V7xx WxVNA . . . MOTP2LG Di s as s em b ly S tep 01 • Unscrew hexagon nuts (1.4) R ea s s em bly S tep 01...
  • Page 18 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 02 • Unscrew hexagon nuts (3.6) • Remove washer (3.8) and gland fl ange (3.4) R ea s s em bly S tep 02 not app lica ble Reassembling the packing unit see S te p 07...
  • Page 19 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s am b ly S tep 03 • Lift bonnet off CAU TIO N ! Do not damage stem surface ! • Remove fl at gasket (1.2) CAU TIO N ! Remove remains of fl...
  • Page 20 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 04 • Unscrew hexagon nuts (1.4), lift body off CAU TIO N ! Ensure it hangs vertically ! • Remove fl...
  • Page 21 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 05 • Insert Special Tool in the body (change seat - tool) and remove using a (Ensure that the pin clicks in place !) suitable tool •...
  • Page 22 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop...
  • Page 23 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop D i st rib u ti n g Va lve SPM - Code : V7xx WxVNA . . . VOTP2LG Di s as s em b ly S tep 01 • Unscrew hexagon nuts (3.6) • Remove washer (3.8) and gland fl...
  • Page 24 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 02. 1 • Unscrew hexagon nuts (1.4) • Remove connection piece (4.2) • Remove fl at gasket (1.2) CAU TIO N ! Remove remains of fl...
  • Page 25 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 02. 2 • Insert Special Tool in the body (stem clamping tool) and tighten (for fi xing the stem to prevent twisting) •...
  • Page 26 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 03 • Unscrew hexagon nuts (1.4) R ea s s em bly S tep 03 • Grease stud screws CAUT IO N ! Lubrication as per Table 06 (Page 65) •...
  • Page 27 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 04 • Twist Special Tool on the stem (Ring-nut) and put in place slowly CAU TIO N ! Ensure it hangs vertically ! •...
  • Page 28 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 05 • Insert Special Tool in the body (change seat - tool) and remove using a (Ensure that the pin clicks in place !) suitable tool •...
  • Page 29 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop...
  • Page 30 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Trim Type Data Field 3 Disassembly / Reassembly PONx1xx Disassembly / Reassembly PODx1xx 2.1 Screwed seat Standard Parabolic Plug POKx1xx . Plug POWx1xx POHx1xx as described ! Disassembly / Reassembly 2.1 Screwed seat . Plug as described, additionally however...
  • Page 31 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Trim Type Data Field 3 Disassembly / Reassembly Disassembly / Reassembly 2.1 Screwed seat . Plug as described, additionally however PGxx1xx XStream 2.29 Internal ring PHxx1xx .30 Space bush .35 Perforated cage 1 .36 Perforated cage  .37 Perforated cage 3 .8 Pressure spring insert in the sequence shown !
  • Page 32 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Trim Type Data Field 3 Disassembly / Reassembly Disassembly / Reassembly 2.1 Screwed seat Perforated plug LOxx1xx . Perforated plug as described ! Disassembly / Reassembly 2.1 Perforated screwed seat AOxx1xx RLS-S ystem . Perforated plug as described ! Disassembly / Reassembly...
  • Page 33 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop...

  • Page 34: Subassembly - Bonnet

    All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Bonnet Type Data Field 2 Data Field 3 Page V7xx xxVNx 38 - 39 Standard Bonnet Standard Bonnet with V7xx xxONx 40 - 41 V-Ring Balancing V7xx xxVBx 4 - 45 Bellows Seal Bonnet High-Temperature V7xx xxVRx 46 - 47 Extension Bonnet...
  • Page 35 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Bonnet Type Data Field 2 Data Field 3 Page High-Temperature Extension Bonnet with V7xx xxKRx 48 - 49 Piston-Ring Balancing Low-Temperature V7xx xxVKx 50 - 51 Extension Bonnet Low-Teperature Extension Bonnet with V7xx xxOKx 5 - 53 V-Ring Balancing...
  • Page 36 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Bonnet Type Data Field 2 Data Field 3 Page Insulating Bonnet V7xx xxVIx 56 - 59 Heavy Bonnet V7xx xxSNx in preparation...
  • Page 37 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop...
  • Page 38 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop S t a n da rd B on n et SPM - Code : V7xx xxVNx Di s as s em b ly S tep 06 • Remove plug unit (2.2, 2.3, 2.4) from the bonnet CAUT IO N ! Do not damage high quality stem surface and plug guide !
  • Page 39 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 07 • Remove packing (3.3) and bottom ring (3.2) with Special Tool (Packing driver tool CAU TIO N ! Do not damage packing area and guide ! R ea s s em bly S tep 07...
  • Page 40 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop S t a n da rd B on n et wi th V- R i n g B a l a nc i n g SPM - Code : V7xx xxONx Di s as s em b ly S tep 06 •...
  • Page 41 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em ly S tep 07 • Remove packing (3.3) and bottom ring (3.2) with Special Tool (Packing driver tool) CAU TIO N ! Do not damage packing area and guide ! R ea s s em bly S tep 07 Reassembly takes place in reverse order.
  • Page 42 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop B e l l ows S ea l B o n net SPM - Code : V7xx xxVBx Di s as s em b ly S tep 06 •...
  • Page 43 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 07 • Remove head piece CAU TIO N ! Ensure it hangs vertically ! • Remove gasket (2.15) CAU TIO N ! Remove remains of gasket (2.15) in the body and on the head piece.
  • Page 44 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 08 • Unscrew hexagon nut (2.6) • Remove pressure ring (2.7) and profi le seal ring (2.8) CAUT IO N ! The plug unit can drop down ! Do not damage the high quality stem surface ! S tep 09...
  • Page 45 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 10 • Remove packing (3.3) and bottom ring (3.2 - 2x !) with Special Tool (Packing driver tool CAU TIO N ! Do not damage packing area and guide ! R ea s s em bly S tep 10...
  • Page 46 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop H i gh -Te mp era t u r e Ex te ns i o n B on net SPM - Code : V7xx xxVRx Di s as s em b ly S tep 06 •...
  • Page 47 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 07 • Remove packing (3.3) and bottom ring (3.2) with Special Tool (Packing driver tool) CAU TIO N ! Do not damage packing area and guide ! R ea s s em bly S tep 07...
  • Page 48 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop H i gh -Te mp era t u r e Ex te ns i o n B on net w it h Pi sto n- R i n g B a l a nc i n g SPM - Code : V7xx xxKRx Di s as s em b ly S tep 06...
  • Page 49 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 07 • Remove packing (3.3) and bottom ring (3.2) with Special Tool (Packing driver tool) CAU TIO N ! Do not damage packing area and guide ! R ea s s em bly S tep 07...
  • Page 50 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Low -Te p era t u r e Ex te ns i o n B on net SPM - Code : V7xx xxVKx Di s as s em b ly S tep 06 •...
  • Page 51 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 07 • Remove packing (3.3) and bottom ring (3.2) with Special Tool (Packing driver tool) CAU TIO N ! Do not damage packing area and guide ! R ea s s em bly S tep 07...
  • Page 52 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Low -Te mp e ra tu r e Ex te ns i o n B on net w it h V- R i n g B a l a nc i n g SPM - Code : V7xx xxOKx Di s as s em b ly S tep 06...
  • Page 53 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 07 • Remove packing (3.3) and bottom ring (3.2) with Special Tool (Packing driver tool) CAU TIO N ! Do not damage packing area and guide ! R ea s s em bly S tep 07...
  • Page 54 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop La n te rn B on n et SPM - Code : V7xx xxVLx Di s as s em b ly S tep 06 • Remove plug unit from the bonnet CAUT IO N ! Do not damage high quality stem surface and plug guide !
  • Page 55 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 07 • Remove packing (3.3) and bottom ring (3.2) with Special Tool (Packing driver tool) CAU TIO N ! Do not damage packing area and guide ! R ea s s em bly S tep 07...
  • Page 56 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop I ns u l a ti n g B o n net SPM - Code : V7xx xxVIx Di s as s em b ly S tep 06 •...
  • Page 57 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 07 • Remove head piece CAU TIO N ! Ensure it hangs vertically ! • Remove gasket (2.15) CAU TIO N ! Remove remains of gasket (2.15) in the body and on the head piece.
  • Page 58 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 08 • Remove plug unit from the bonnet CAUT IO N ! Do not damage high quality stem surface and plug guide ! R ea s s em bly S tep 08...
  • Page 59 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Di s as s em b ly S tep 09 • Remove insulation pipe (3.23) from the bonnet R ea s s em bly S tep 09 Reassembly takes place in reverse order. CAU TIO N ! Clean parts and check insulation pipe for damage.
  • Page 60 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop...
  • Page 61 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Packing Type Data Field 2 Reassembly 3. Bottom ring 3.3 Packing 3.4 Gland fl ange 3.8 Washers 3.6 Hexagon nuts Tefl on Packing V7xx xxxxA in sequence shown, follow INFORMATION on page 63 ! Tightening moments for gland nuts (3.6) as per Table 05 Page 65 3. Bottom ring 3.3 Packing...
  • Page 62 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Packing Type Data Field 2 Reassembly 3. Bottom ring 3.3 Packing 3.4 Gland fl ange 3.11 Belleville spring 3.10 Washers 3.9 Hexagon nuts Tefl on Packing V7xx xxxxQ “TA-Luft” in sequence shown, follow INFORMATION on page 63 ! Tightening moments for gland nuts (3.6) as per INFORMATION Page 63...
  • Page 63 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop INFORMATION Comment "Packing" Always fi t packing / rings (3.3) at a 180 ° off set ! "Belleville Springs" Layer belleville springs (3.11) as shown ! "Spring Loaded Packing" Always tighten the gland nuts (3.9) as far as the mark (channel = max.

  • Page 64: Technical Tables - Tightening Moments

    All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Table 01 Tightening moments for nuts (1.4) Moisten thread on the stud screws (1.3) sparingly with lubricant (Table 06). Tightening moment in Nm for Nuts (1.4) per nominal width DN Data Field 1 1/2“...
  • Page 65 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Table 05 Tightening moments for packing nuts (3.6) Moisten thread on the stud screws (3.5) sparingly with lubricant (Table 06). Tightening moment in Nm for “Packing” Nuts (3.6) per nominal width DN Data Field 1 Class 1/2“...
  • Page 66 All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop...

  • Page 67: Special Tools

    All manuals and user guides at all-guides.com Schmidt Armaturen AI - FlowTop Special Tools Ring - Nuts Recommended tools for disassembling and reassembly tool ! Part no. see spare parts catalogue Seat Change - Tools Recommended tools for disassembling and reassembling the screwed seat ! Part no. see spare parts catalogue Packing Driver - Tool Recommended tools for disassembling the packing ! Part no. see spare parts catalogue...
  • Page 68 ™ indicates a trade mark of Schmidt Armaturen. Information given in this leaflet is made in god faith and based upon specific testing but does not, however, constitute a guarante. Modifications without notice in line with technical progress. Branch of Flowserve (Austria) GmbH Kassernengasse 6 A-9500 Villach Telephone: +43 (0) 4242 41181-0...

This manual is also suitable for:

Flowtop v738Flowtop v740